August weather forecastPortland, IN
August
Weather in August
August, the last month of the summer in Portland, is also a moderately hot month, with an average temperature fluctuating between 79°F (26.1°C) and 61.9°F (16.6°C).Temperature
Portland observes a minor difference in average high-temperatures between July's 81.1°F (27.3°C) and August's 79°F (26.1°C). Portland experiences a mean low-temperature of 61.9°F (16.6°C) during August.Humidity
In Portland, the average relative humidity in August is 82%.Rainfall
In Portland, Indiana, in August, it is raining for 11.3 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, in Portland, there are 108.6 rainfall days, and 8.74" (222mm) of precipitation is accumulated.Snowfall
In Portland, Indiana, snow does not fall in May through September.Daylight
The average length of the day in August is 13h and 44min.On the first day of August, sunrise is at 6:38 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 8:12 pm EDT.
Sunshine
In Portland, the average sunshine in August is 9.5h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Portland. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 6 in August translates into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Portland, IN
- Average high temperature in August: 79°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in August: 61.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in August
Portland, IN
- Average pressure in August: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Portland, IN
- Average wind speed in August: 6.1mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in August
Portland, IN
- Average humidity in August: 82%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Portland, IN
- Average rainfall in August: 0.83"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in August
Portland, IN
- Average rainfall days in August: 11.3 days
The month with the highest number of rainy days is May (13.9 days).
The months with the least rainy days are January and February (4.8 days).
Average snowfall in August
Portland, IN
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Portland, IN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Portland, IN
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 9h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in August
Portland, IN
- Average sunshine days in August: 16 days
The months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in August
Portland, IN
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Portland, IN
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in August
Portland, IN
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
